Research Theme

Research Theme1 : Model development for sub-meter scale simulation

Create a model suitable for resolutions of 1 m or lower.

R&D task1Surface layer turbulence scheme (PI. Junshi ITO): Implementing a new calculation formula to estimate turbulence transports of 1-m order near the ground surface

R&D task2Development of high-order numerical method for fluid calculation (PI. Yuta KAWAI): Calculation of atmospheric flow with high accuracy and efficiency

Research Theme2 : Development of physical process scheme based on physical laws

Cumulonimbus clouds are reproduced in a form close to reality.

R&D task1Development of a Lagrangian particle-based scheme of cloud microphysics (PI. Shin-ichiro SHIMA): Highly accurate simulation of cumulonimbus clouds and precipitation by properly representing the diverse morphologies of ice particles and water droplets

R&D task2Development of aerosol, cloud precipitation, and lightning integration scheme (PI. Yousuke SATO): Modeling cumulonimbus clouds by integrating aerosol and lightning occurrences into the calculation

Research Theme3 : Simulation evaluation

Perform evaluation and factor analysis to improve the accuracy of estimating the probability.

R&D task1Verification of probability-estimation accuracy (PI. Seiya NISHIZAWA): Development of a method to assess the probability-estimation accuracy of weather models and verification of the estimation accuracy of a newly developed model

R&D task2Uncertainty factor analysis including nonlinear interactions (PI. Sachiho A. ADACHI): Analysis of the impact of each model element on heavy rain simulations

R&D task3Evaluation of the effects of the alteration of unstable modes by discretization (PI. Yoshiaki MIYAMOTO): Theoretical derivation of a resolution that can depict cumulonimbus clouds with extremely high accuracy